• WordNet 3.6
    • n auricle the externally visible cartilaginous structure of the external ear
    • n auricle a small conical pouch projecting from the upper anterior part of each atrium of the heart
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Webster's Revised Unabridged Dictionary
    • Auricle (Zoöl) An angular or ear-shaped lobe.
    • Auricle An instrument applied to the ears to give aid in hearing; a kind of ear trumpet.
    • Auricle (Anat) The chamber, or one of the two chambers, of the heart, by which the blood is received and transmitted to the ventricle or ventricles; -- so called from its resemblance to the auricle or external ear of some quadrupeds. See Heart.
    • Auricle (Anat) The external ear, or that part of the ear which is prominent from the head.
    • ***
Century Dictionary and Cyclopedia
    • n auricle The pinna of the external ear; that part of the organ of hearing which projects from the side of the head. See pinna, and cut under ear. Also auricula.
    • n auricle A chamber or one of the chambers of the heart into which the blood comes from the veins, and from which it passes into the ventricle or one of the ventricles. In the mammalian, avian, and reptilian heart there are two auricles, the right and the left. The name is sometimes used in a more special sense to designate an ear-like portion or appendage (appendix auriculæ) of each of these chambers; the remainder is then distinguished as the sinus. The right auricle receives venous blood from the venæ cavæ; the left auricle receives arterial blood from the lungs through the pulmonary veins. See cuts under heart and lung.
    • n auricle Something, or some part of a thing, like or likened to an ear: variously applied, chiefly in botany, zoölogy, and comparative anatomy. Specifically— In entomology, an appendage of the planta of certain insects, as bees. In echinoderms, an auricula. See auricula, 4. In botany, an ear-shaped or ear-like appendage; the inflated lower lobe or appendage of the leaves of some Hepaticæ.
    • n auricle An instrument applied to the ears to assist in hearing; a kind of ear-trumpet.
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Chambers's Twentieth Century Dictionary
    • n Auricle awr′i-kl the external ear:
    • n Auricle awr′i-kl (pl.) the two upper cavities of the heart into which the blood comes from the veins
    • ***


Webster's Revised Unabridged Dictionary
L. auricula, dim. of auris, ear. See Ear
Chambers's Twentieth Century Dictionary
L. auricula, dim. of auris, the ear.


In literature:

The offices of the auricles and the ventricles are subverted.
"The Light Princess" by George MacDonald
He also had congenital deformity of the right auricle.
"Anomalies and Curiosities of Medicine" by George M. Gould
The auricles and ventricles contained coagulated blood.
"Cases of Organic Diseases of the Heart" by John Collins Warren
They are arranged in two pairs, the auricle uppermost, separated by a fleshy partition.
"How it Works" by Archibald Williams
The upper compartments are called auricles and the lower ones ventricles.
"Special Report on Diseases of Cattle" by U.S. Department of Agriculture
The AURICLES differ in muscularity from the ventricles.
"A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)" by Calvin Cutter
The openings of the auricles into the ventricle vary in different forms.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2" by Various
I'd like to know about that right auricle of his heart.
"The Bramleighs Of Bishop's Folly" by Charles James Lever
Secondly, having completed the circuit of the lungs, the pure and bright arterial blood enters the left auricle.
"A Treatise on Physiology and Hygiene" by Joseph Chrisman Hutchison
Congenital malformations of the ear are most frequently met with in the auricle and external canal.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 9" by Various

In poetry:

And my wish is that when we die,
Our circle closed, and hence depart,
We shall be set in closer rhyme
Than binds the auricle and the heart.
"Beloved, with the spent and sickly fumes..." by Boris Pasternak

In news:

Canadian pop star coming to Canton's Auricle .
Allergic contact dermatitis of the auricle .
Allergic contact dermatitis of the auricle.
A petrified auricle is a rare condition in which the structure becomes partially or completely rigid.
I like to describe this submission to our Moose Backwoods Tracks as an easy to listen to auricle journey.
An ossified auricle is much more rare than a calcified cartilage, and it can be diagnosed only by histology.
To the best of our knowledge, only 18 cases of ossification of the auricle have been previously reported in the literature.